Patent · US Expired

Directional reflection screen and projection display

US6081380A · kind A · utility

31Cited by
7References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 1999
Grant dateJun 27, 2000
Priority date
Expiry dateMar 5, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N13/363
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A directional reflection screen includes a corrugated mirror sheet constituted by a plurality of mirrors, and a lens sheet for diffusing and reflecting rays of light in the direction of ridge lines of the corrugated mirror sheet. The ridge lines of the corrugated mirror sheet intersect the lens lines of said lens sheet at angles other than 90.degree.. The projection display further includes projection means for projecting an image onto the directional reflection screen.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.